SNC204

SNC204 Direct Drive Speech Controller ================= CONTENTS ================ 1. 2. 3. 4. 5. 5.1. 5.2. 5.3. 5.4. 5.5. 5.6. 5.7. 5.8. 6. 7. 8. INTRODUCTION........................................................................................................2 FEATURES ..................................................................................................................2 BLOCK DIAGRAM ....................................................................................................3 PIN ASSIGNMENT.....................................................................................................3 FUNCTION DESCRIPTIONS ...................................................................................4 OSCILLATOR ...............................................................................................................4 ROM ..........................................................................................................................4 RAM ..........................................................................................................................4 POWER DOWN MODE ..................................................................................................4 SAMPLING RATE COUNTERS .......................................................................................4 EVENT MARK..............................................................................................................5 I/O PORTS .................................